PERIODIC TABLE OF THE ELEMENTS
1
18
1
2
H
He
Hydrogen
Helium
1.0
3
2
13
14
15
16
17
4
5
6
7
8
9
4.0
10
Li
Be
B
C
N
O
F
Ne
Lithium
Beryllium
Boron
Carbon
Nitrogen
Oxygen
Fluorine
Neon
6.9
11
9.0
12
10.8
13
12.0
14
14.0
15
16.00
16
19.0
17
20.2
18
Na
Mg
Al
Si
P
S
Cl
Ar
Sodium
Magnesium
Aluminium
Silicon
Phosphorus
Sulfur
Chlorine
Argon
23.0
19
24.3
20
27.0
31
28.1
32
31.0
33
32.1
34
35.5
35
39.9
36
3
4
5
6
7
8
9
10
11
12
21
22
23
24
25
26
27
28
29
30
K
Ca
Sc
Ti
V
Cr
Mn
Fe
Co
Ni
Cu
Zn
Ga
Ge
As
Se
Br
Kr
Potassium
Calcium
Scandium
Titanium
Vanadium
Chromium
Manganese
Iron
Cobalt
Nickel
Copper
Zinc
Gallium
Germanium
Arsenic
Selenium
Bromine
Krypton
39.1
37
40.1
38
45.0
39
47.9
40
50.9
41
52.0
42
54.9
43
55.8
44
58.9
45
58.7
46
63.5
47
65.4
48
69.7
49
72.6
50
74.9
51
79.0
52
79.9
53
83.8
54
Rb
Sr
Y
Zr
Nb
Mo
Tc
Ru
Rh
Pd
Ag
Cd
In
Sn
Sb
Te
I
Xe
Rubidium
Strontium
Yttrium
Zirconium
Niobium
Molybdenum
Technetium
Ruthenium
Rhodium
Palladium
Silver
Cadmium
Indium
Tin
Antimony
Tellurium
Iodine
Xenon
85.5
55
87.6
56
88.9
57 – 71
91.2
72
92.9
73
96.0
74
98.9
75
101.1
76
102.9
77
106.4
78
107.9
79
112.4
80
114.8
81
118.7
82
121.8
83
127.6
84
126.9
85
131.3
86
Cs
Ba
Hf
Ta
W
Re
Os
Ir
Pt
Au
Hg
Tl
Pb
Bi
Po
At
Rn
Caesium
Barium
Hafnium
Tantalum
Tungsten
Rhenium
Osmium
Iridium
Plantinum
Gold
Mercury
Thallium
Lead
Bismuth
Polonium
Astatine
Radon
132.9
87
137.3
88
178.5
104
180.9
105
183.8
106
186.2
107
190.2
108
192.2
109
195.1
110
197.0
111
200.6
112
204.4
113
207.2
114
209.0
115
209.0
116
210.0
117
222.0
118
Mt
Ds
Rg
89 – 103
Fr
Ra
Rf
Db
Sg
Bh
Hs
Francium
Radium
Rutherfordium
Dubnium
Seaborgium
Bohrium
Hassium
223.0
226.0
(261)
(262)
(263)
(262)
(265)
Lanthanides
Actinides
Meitnerium Darmstadtium Roetntenium
(266)
(269)
(272)
Cn
Nh
Fl
Mc
Lv
Ts
Og
Copernicium
Nihonium
Flerovium
Moscovium
Livermorium
Tennessine
Oganesson
(277)
(289)
(298)
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
La
Ce
Pr
Nd
Pm
Sm
Eu
Gd
Tb
Dy
Ho
Er
Tm
Yb
Lu
Lanthanium
Cerium
Promethium
Samarium
Europium
Gadolinium
Terbium
Dysprosium
Holmium
Erbium
Thulium
Ytterbium
Lutetium
138.9
89
140.1
90
144.9
93
150.4
94
152.0
95
157.3
96
158.9
97
162.5
98
164.9
99
167.3
100
168.9
101
173.0
102
175.0
103
Praseodymium Neodymium
140.9
91
144.2
92
Ac
Th
Pa
U
Np
Pu
Am
Cm
Bk
Cf
Es
Fm
Md
No
Lr
Actinium
Thorium
Protactinium
Uranium
Neptunium
Plutonium
Americium
Curium
Berkelium
Californium
Einsteinium
Fermium
Mendelevium
Nobelium
Lawrencium
227.03
232.0
231.0
238.0
237.0
244.1
243.1
247.1
247.1
251.1
(254)
257.1
258.1
259.1
(262)